Water Heater Upper Thermostat Melted

This rheem marathon upper element thermostat is specifically designed to be used as the upper thermostat in a rheem marathon residential electric water heater.

Water heater upper thermostat melted.

A dual element water heater uses two heating elements controlled. You can test them with the power off using an ohmmeter to measure resistance or with the power on using a voltmeter to measure voltage. The thermostat on top acts as the primary one while having a high limit switch. The lower thermostat compartment had water soaking the insulation piece that i had to remove to see the thermostat.

How to set the upper and lower thermostats on dual element water heaters. When it goes bad you don t have any hot water at all. The upper thermostat controls both the upper and lower element. Lower thermostat on hot water heater has melted plastic.

They even do not work at the same time. Many modern homes come with dual element water heaters. I removed the upper and lower thermostat shields and found they were set at approx. Burning rubber or plastic if you smell burning rubber or burning plastic turn off the power source at the breaker first before trying to pinpoint the smell.

Water heater smells like. This type of thermostat is for use in 2 element water heaters. These water heaters often have a non simultaneous design which means that only 1 heating element is on at any given time. If the hot water heater is not working one of the thermostats may be bad.

The high limit switch is found on the location as the upper thermostat. Both thermostats on the same water heater do not have the same features. Testing water heater thermostats is important in locating water heater problems. If the electrical contacts on the thermostat mounted outside the water heater are overheating the plastic parts around the switch may overheat and burn.

Joan az hi my hot water heater is not working.